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Finding the Fourth Proportional to 635,494.28, 953,372.61 and 186,229.80

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Solution

The fourth proportional to 635,494.28, 953,372.61 and 186,229.80 is: 279,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,494.28 : 953,372.61 = 186,229.80 : x
  2. Step 2: Convert to fraction form
    635,494.28/953,372.61 = 186,229.80/x
  3. Step 3: Cross multiply
    635,494.28x = 953,372.61 × 186,229.80
  4. Step 4: Simplify right side
    635,494.28x = 177,546,390,485.78
  5. Step 5: Solve for x
    x = 177,546,390,485.78/635,494.28
  6. Step 6: Final answer
    x = 279,383.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.